Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1111 insertions, 0 deletions

diff --git a/sfx2/source/bastyp/fltfnc.cxx b/sfx2/source/bastyp/fltfnc.cxx
new file mode 100644
index 000000000..56638fc1c
--- /dev/null
+++ b/sfx2/source/bastyp/fltfnc.cxx
@@ -0,0 +1,1111 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <com/sun/star/uno/Exception.hpp>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/beans/NamedValue.hpp>
+#include <com/sun/star/container/XNameAccess.hpp>
+#include <com/sun/star/container/XEnumeration.hpp>
+#include <com/sun/star/document/XTypeDetection.hpp>
+#include <com/sun/star/container/XContainerQuery.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/task/XInteractionHandler.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+
+#include <comphelper/sequenceashashmap.hxx>
+
+#include <sot/exchange.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/weld.hxx>
+#include <rtl/ustring.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <sal/log.hxx>
+#include <svl/stritem.hxx>
+
+#include <comphelper/processfactory.hxx>
+
+#include <sal/types.h>
+#include <com/sun/star/uno/Reference.hxx>
+#include <unotools/moduleoptions.hxx>
+#include <unotools/mediadescriptor.hxx>
+#include <tools/urlobj.hxx>
+
+#include <unotools/syslocale.hxx>
+#include <unotools/charclass.hxx>
+
+#include <sfx2/docfilt.hxx>
+#include <sfx2/fcontnr.hxx>
+#include <sfxtypes.hxx>
+#include <sfx2/docfile.hxx>
+#include <sfx2/strings.hrc>
+#include <sfx2/sfxresid.hxx>
+#include <sfx2/objsh.hxx>
+#include <sfx2/sfxsids.hrc>
+#include "fltlst.hxx"
+#include <arrdecl.hxx>
+
+#include <vector>
+#include <memory>
+
+#if defined(DBG_UTIL)
+unsigned SfxStack::nLevel = 0;
+#endif
+
+using namespace com::sun::star;
+
+static SfxFilterList_Impl* pFilterArr = nullptr;
+static bool bFirstRead = true;
+
+static void CreateFilterArr()
+{
+    static SfxFilterList_Impl theSfxFilterArray;
+    pFilterArr = &theSfxFilterArray;
+    static SfxFilterListener theSfxFilterListener;
+}
+
+static OUString ToUpper_Impl( const OUString &rStr )
+{
+    return SvtSysLocale().GetCharClass().uppercase( rStr );
+}
+
+class SfxFilterContainer_Impl
+{
+public:
+    OUString            aName;
+
+    explicit SfxFilterContainer_Impl( const OUString& rName )
+        : aName( rName )
+    {
+    }
+};
+
+std::shared_ptr<const SfxFilter> SfxFilterContainer::GetFilter4EA(const OUString& rEA, SfxFilterFlags nMust, SfxFilterFlags nDont) const
+{
+    SfxFilterMatcher aMatch(pImpl->aName);
+    return aMatch.GetFilter4EA(rEA, nMust, nDont);
+}
+
+std::shared_ptr<const SfxFilter> SfxFilterContainer::GetFilter4Extension(const OUString& rExt, SfxFilterFlags nMust, SfxFilterFlags nDont) const
+{
+    SfxFilterMatcher aMatch(pImpl->aName);
+    return aMatch.GetFilter4Extension(rExt, nMust, nDont);
+}
+
+std::shared_ptr<const SfxFilter> SfxFilterContainer::GetFilter4FilterName(const OUString& rName, SfxFilterFlags nMust, SfxFilterFlags nDont) const
+{
+    SfxFilterMatcher aMatch(pImpl->aName);
+    return aMatch.GetFilter4FilterName(rName, nMust, nDont);
+}
+
+std::shared_ptr<const SfxFilter> SfxFilterContainer::GetAnyFilter( SfxFilterFlags nMust, SfxFilterFlags nDont ) const
+{
+    SfxFilterMatcher aMatch( pImpl->aName );
+    return aMatch.GetAnyFilter( nMust, nDont );
+}
+
+
+SfxFilterContainer::SfxFilterContainer( const OUString& rName )
+   : pImpl( new SfxFilterContainer_Impl( rName ) )
+{
+}
+
+
+SfxFilterContainer::~SfxFilterContainer()
+{
+}
+
+
+OUString const & SfxFilterContainer::GetName() const
+{
+    return pImpl->aName;
+}
+
+std::shared_ptr<const SfxFilter> SfxFilterContainer::GetDefaultFilter_Impl( std::u16string_view rName )
+{
+    // Try to find out the type of factory.
+    // Interpret given name as Service- and ShortName!
+    SvtModuleOptions aOpt;
+    SvtModuleOptions::EFactory eFactory = SvtModuleOptions::ClassifyFactoryByServiceName(rName);
+    if (eFactory == SvtModuleOptions::EFactory::UNKNOWN_FACTORY)
+        eFactory = SvtModuleOptions::ClassifyFactoryByShortName(rName);
+
+    // could not classify factory by its service nor by its short name.
+    // Must be an unknown factory! => return NULL
+    if (eFactory == SvtModuleOptions::EFactory::UNKNOWN_FACTORY)
+        return nullptr;
+
+    // For the following code we need some additional information.
+    OUString sServiceName   = aOpt.GetFactoryName(eFactory);
+    OUString sDefaultFilter = aOpt.GetFactoryDefaultFilter(eFactory);
+
+    // Try to get the default filter. Don't forget to verify it.
+    // May the set default filter does not exists any longer or
+    // does not fit the given factory.
+    const SfxFilterMatcher aMatcher;
+    std::shared_ptr<const SfxFilter> pFilter = aMatcher.GetFilter4FilterName(sDefaultFilter);
+
+    if (
+        pFilter &&
+        !pFilter->GetServiceName().equalsIgnoreAsciiCase(sServiceName)
+       )
+    {
+        pFilter = nullptr;
+    }
+
+    // If at least no default filter could be located - use any filter of this
+    // factory.
+    if (!pFilter)
+    {
+        if ( bFirstRead )
+            ReadFilters_Impl();
+
+        for (const std::shared_ptr<const SfxFilter>& pCheckFilter : *pFilterArr)
+        {
+            if ( pCheckFilter->GetServiceName().equalsIgnoreAsciiCase(sServiceName) )
+            {
+                pFilter = pCheckFilter;
+                break;
+            }
+        }
+    }
+
+    return pFilter;
+}
+
+
+// Impl-Data is shared between all FilterMatchers of the same factory
+class SfxFilterMatcher_Impl
+{
+public:
+    OUString                    aName;
+    mutable SfxFilterList_Impl* pList;      // is created on demand
+
+    void InitForIterating() const;
+    void Update() const;
+    explicit SfxFilterMatcher_Impl(const OUString &rName)
+        : aName(rName)
+        , pList(nullptr)
+    {
+    }
+    ~SfxFilterMatcher_Impl()
+    {
+        // SfxFilterMatcher_Impl::InitForIterating() will set pList to
+        // either the global filter array matcher pFilterArr, or to
+        // a new SfxFilterList_Impl.
+        if (pList != pFilterArr)
+            delete pList;
+    }
+};
+
+namespace
+{
+    std::vector<std::unique_ptr<SfxFilterMatcher_Impl> > aImplArr;
+    int nSfxFilterMatcherCount;
+
+    SfxFilterMatcher_Impl & getSfxFilterMatcher_Impl(const OUString &rName)
+    {
+        OUString aName;
+
+        if (!rName.isEmpty())
+            aName = SfxObjectShell::GetServiceNameFromFactory(rName);
+
+        // find the impl-Data of any comparable FilterMatcher that was created
+        // previously
+        for (std::unique_ptr<SfxFilterMatcher_Impl>& aImpl : aImplArr)
+            if (aImpl->aName == aName)
+                return *aImpl;
+
+        // first Matcher created for this factory
+        aImplArr.push_back(std::make_unique<SfxFilterMatcher_Impl>(aName));
+        return *aImplArr.back();
+    }
+}
+
+SfxFilterMatcher::SfxFilterMatcher( const OUString& rName )
+    : m_rImpl( getSfxFilterMatcher_Impl(rName) )
+{
+    ++nSfxFilterMatcherCount;
+}
+
+SfxFilterMatcher::SfxFilterMatcher()
+    : m_rImpl( getSfxFilterMatcher_Impl(OUString()) )
+{
+    // global FilterMatcher always uses global filter array (also created on
+    // demand)
+    ++nSfxFilterMatcherCount;
+}
+
+SfxFilterMatcher::~SfxFilterMatcher()
+{
+    --nSfxFilterMatcherCount;
+    if (nSfxFilterMatcherCount == 0)
+        aImplArr.clear();
+}
+
+void SfxFilterMatcher_Impl::Update() const
+{
+    if ( pList )
+    {
+        // this List was already used
+        pList->clear();
+        for (const std::shared_ptr<const SfxFilter>& pFilter : *pFilterArr)
+        {
+            if ( pFilter->GetServiceName() == aName )
+                pList->push_back( pFilter );
+        }
+    }
+}
+
+void SfxFilterMatcher_Impl::InitForIterating() const
+{
+    if ( pList )
+        return;
+
+    if ( bFirstRead )
+        // global filter array has not been created yet
+        SfxFilterContainer::ReadFilters_Impl();
+
+    if ( !aName.isEmpty() )
+    {
+        // matcher of factory: use only filters of that document type
+        pList = new SfxFilterList_Impl;
+        Update();
+    }
+    else
+    {
+        // global matcher: use global filter array
+        pList = pFilterArr;
+    }
+}
+
+std::shared_ptr<const SfxFilter> SfxFilterMatcher::GetAnyFilter( SfxFilterFlags nMust, SfxFilterFlags nDont ) const
+{
+    m_rImpl.InitForIterating();
+    for (const std::shared_ptr<const SfxFilter>& pFilter : *m_rImpl.pList)
+    {
+        SfxFilterFlags nFlags = pFilter->GetFilterFlags();
+        if ( (nFlags & nMust) == nMust && !(nFlags & nDont ) )
+            return pFilter;
+    }
+
+    return nullptr;
+}
+
+
+ErrCode  SfxFilterMatcher::GuessFilterIgnoringContent(
+    SfxMedium const & rMedium,
+    std::shared_ptr<const SfxFilter>& rpFilter ) const
+{
+    uno::Reference<document::XTypeDetection> xDetection(
+        comphelper::getProcessServiceFactory()->createInstance("com.sun.star.document.TypeDetection"), uno::UNO_QUERY);
+
+    OUString sTypeName;
+    try
+    {
+        sTypeName = xDetection->queryTypeByURL( rMedium.GetURLObject().GetMainURL( INetURLObject::DecodeMechanism::NONE ) );
+    }
+    catch (uno::Exception&)
+    {
+    }
+
+    rpFilter = nullptr;
+    if ( !sTypeName.isEmpty() )
+    {
+        // make sure filter list is initialized
+        m_rImpl.InitForIterating();
+        rpFilter = GetFilter4EA( sTypeName );
+    }
+
+    return rpFilter ? ERRCODE_NONE : ERRCODE_ABORT;
+}
+
+
+ErrCode  SfxFilterMatcher::GuessFilter( SfxMedium& rMedium, std::shared_ptr<const SfxFilter>& rpFilter, SfxFilterFlags nMust, SfxFilterFlags nDont ) const
+{
+    return GuessFilterControlDefaultUI( rMedium, rpFilter, nMust, nDont );
+}
+
+
+ErrCode  SfxFilterMatcher::GuessFilterControlDefaultUI( SfxMedium& rMedium, std::shared_ptr<const SfxFilter>& rpFilter, SfxFilterFlags nMust, SfxFilterFlags nDont ) const
+{
+    std::shared_ptr<const SfxFilter> pOldFilter = rpFilter;
+
+    // no detection service -> nothing to do !
+    uno::Reference<document::XTypeDetection> xDetection(
+        comphelper::getProcessServiceFactory()->createInstance("com.sun.star.document.TypeDetection"), uno::UNO_QUERY);
+
+    if (!xDetection.is())
+        return ERRCODE_ABORT;
+
+    try
+    {
+        // open the stream one times only ...
+        // Otherwise it will be tried more than once and show the same interaction more than once ...
+
+        OUString sURL( rMedium.GetURLObject().GetMainURL( INetURLObject::DecodeMechanism::NONE ) );
+        uno::Reference< io::XInputStream > xInStream = rMedium.GetInputStream();
+        OUString aFilterName;
+        OUString sTypeName;
+
+        // stream exists => deep detection (with preselection ... if possible)
+        if (xInStream.is())
+        {
+            utl::MediaDescriptor aDescriptor;
+
+            aDescriptor[utl::MediaDescriptor::PROP_URL               ] <<= sURL;
+            aDescriptor[utl::MediaDescriptor::PROP_INPUTSTREAM       ] <<= xInStream;
+            aDescriptor[utl::MediaDescriptor::PROP_INTERACTIONHANDLER] <<= rMedium.GetInteractionHandler();
+            SfxStringItem const * it = static_cast<SfxStringItem const *>(
+                rMedium.GetItemSet()->GetItem(SID_REFERER));
+            if (it != nullptr) {
+                aDescriptor[utl::MediaDescriptor::PROP_REFERRER]
+                    <<= it->GetValue();
+            }
+
+            if ( !m_rImpl.aName.isEmpty() )
+                aDescriptor[utl::MediaDescriptor::PROP_DOCUMENTSERVICE] <<= m_rImpl.aName;
+
+            if ( pOldFilter )
+            {
+                aDescriptor[utl::MediaDescriptor::PROP_TYPENAME  ] <<= pOldFilter->GetTypeName();
+                aDescriptor[utl::MediaDescriptor::PROP_FILTERNAME] <<= pOldFilter->GetFilterName();
+            }
+
+            uno::Sequence< beans::PropertyValue > lDescriptor = aDescriptor.getAsConstPropertyValueList();
+            sTypeName = xDetection->queryTypeByDescriptor(lDescriptor, true); // lDescriptor is used as In/Out param ... don't use aDescriptor.getAsConstPropertyValueList() directly!
+
+            for (const auto& rProp : std::as_const(lDescriptor))
+            {
+                if (rProp.Name == "FilterName")
+                    // Type detection picked a preferred filter for this format.
+                    aFilterName = rProp.Value.get<OUString>();
+            }
+        }
+        // no stream exists => try flat detection without preselection as fallback
+        else
+            sTypeName = xDetection->queryTypeByURL(sURL);
+
+        if (!sTypeName.isEmpty())
+        {
+            std::shared_ptr<const SfxFilter> pNewFilter;
+            if (!aFilterName.isEmpty())
+                // Type detection returned a suitable filter for this.  Use it.
+                pNewFilter = SfxFilter::GetFilterByName(aFilterName);
+
+            // fdo#78742 respect requested document service if set
+            if (!pNewFilter || (!m_rImpl.aName.isEmpty()
+                             && m_rImpl.aName != pNewFilter->GetServiceName()))
+            {
+                // detect filter by given type
+                // In case of this matcher is bound to a particular document type:
+                // If there is no acceptable type for this document at all, the type detection has possibly returned something else.
+                // The DocumentService property is only a preselection, and all preselections are considered as optional!
+                // This "wrong" type will be sorted out now because we match only allowed filters to the detected type
+                uno::Sequence< beans::NamedValue > lQuery { { "Name", css::uno::Any(sTypeName) } };
+
+                pNewFilter = GetFilterForProps(lQuery, nMust, nDont);
+            }
+
+            if (pNewFilter)
+            {
+                rpFilter = pNewFilter;
+                return ERRCODE_NONE;
+            }
+        }
+    }
+    catch (const uno::Exception&)
+    {}
+
+    return ERRCODE_ABORT;
+}
+
+
+bool SfxFilterMatcher::IsFilterInstalled_Impl( const std::shared_ptr<const SfxFilter>& pFilter )
+{
+    if ( pFilter->GetFilterFlags() & SfxFilterFlags::MUSTINSTALL )
+    {
+        // Here could a  re-installation be offered
+        OUString aText( SfxResId(STR_FILTER_NOT_INSTALLED) );
+        aText = aText.replaceFirst( "$(FILTER)", pFilter->GetUIName() );
+        std::unique_ptr<weld::MessageDialog> xQueryBox(Application::CreateMessageDialog(nullptr,
+                                                       VclMessageType::Question, VclButtonsType::YesNo,
+                                                       aText));
+        xQueryBox->set_default_response(RET_YES);
+
+        short nRet = xQueryBox->run();
+        if ( nRet == RET_YES )
+        {
+#ifdef DBG_UTIL
+            // Start Setup
+            std::unique_ptr<weld::MessageDialog> xInfoBox(Application::CreateMessageDialog(nullptr,
+                                                          VclMessageType::Info, VclButtonsType::Ok,
+                                                          "Here should the Setup now be starting!"));
+            xInfoBox->run();
+#endif
+            // Installation must still give feedback if it worked or not,
+            // then the  Filterflag be deleted
+        }
+
+        return ( !(pFilter->GetFilterFlags() & SfxFilterFlags::MUSTINSTALL) );
+    }
+    else if ( pFilter->GetFilterFlags() & SfxFilterFlags::CONSULTSERVICE )
+    {
+        OUString aText( SfxResId(STR_FILTER_CONSULT_SERVICE) );
+        aText = aText.replaceFirst( "$(FILTER)", pFilter->GetUIName() );
+        std::unique_ptr<weld::MessageDialog> xInfoBox(Application::CreateMessageDialog(nullptr,
+                                                      VclMessageType::Info, VclButtonsType::Ok,
+                                                      aText));
+        xInfoBox->run();
+        return false;
+    }
+    else
+        return true;
+}
+
+
+ErrCode SfxFilterMatcher::DetectFilter( SfxMedium& rMedium, std::shared_ptr<const SfxFilter>& rpFilter ) const
+/*  [Description]
+
+    Here the Filter selection box is pulled up. Otherwise GuessFilter
+ */
+
+{
+    std::shared_ptr<const SfxFilter> pOldFilter = rMedium.GetFilter();
+    if ( pOldFilter )
+    {
+        if( !IsFilterInstalled_Impl( pOldFilter ) )
+            pOldFilter = nullptr;
+        else
+        {
+            const SfxStringItem* pSalvageItem = SfxItemSet::GetItem<SfxStringItem>(rMedium.GetItemSet(), SID_DOC_SALVAGE, false);
+            if ( ( pOldFilter->GetFilterFlags() & SfxFilterFlags::PACKED ) && pSalvageItem )
+                // Salvage is always done without packing
+                pOldFilter = nullptr;
+        }
+    }
+
+    std::shared_ptr<const SfxFilter> pFilter = pOldFilter;
+
+    bool bPreview = rMedium.IsPreview_Impl();
+    const SfxStringItem* pReferer = SfxItemSet::GetItem<SfxStringItem>(rMedium.GetItemSet(), SID_REFERER, false);
+    if ( bPreview && rMedium.IsRemote() && ( !pReferer || !pReferer->GetValue().match("private:searchfolder:") ) )
+        return ERRCODE_ABORT;
+
+    ErrCode nErr = GuessFilter( rMedium, pFilter );
+    if ( nErr == ERRCODE_ABORT )
+        return nErr;
+
+    if ( nErr == ERRCODE_IO_PENDING )
+    {
+        rpFilter = pFilter;
+        return nErr;
+    }
+
+    if ( !pFilter )
+    {
+        std::shared_ptr<const SfxFilter> pInstallFilter;
+
+        // Now test the filter which are not installed (ErrCode is irrelevant)
+        GuessFilter( rMedium, pInstallFilter, SfxFilterFlags::IMPORT, SfxFilterFlags::CONSULTSERVICE );
+        if ( pInstallFilter )
+        {
+            if ( IsFilterInstalled_Impl( pInstallFilter ) )
+                // Maybe the filter was installed afterwards.
+                pFilter = pInstallFilter;
+        }
+        else
+        {
+          // Now test the filter, which first must be obtained by Star
+          // (ErrCode is irrelevant)
+            GuessFilter( rMedium, pInstallFilter, SfxFilterFlags::IMPORT, SfxFilterFlags::NONE );
+            if ( pInstallFilter )
+                IsFilterInstalled_Impl( pInstallFilter );
+        }
+    }
+
+    bool bHidden = bPreview;
+    const SfxStringItem* pFlags = SfxItemSet::GetItem<SfxStringItem>(rMedium.GetItemSet(), SID_OPTIONS, false);
+    if ( !bHidden && pFlags )
+    {
+        OUString aFlags( pFlags->GetValue() );
+        aFlags = aFlags.toAsciiUpperCase();
+        if( -1 != aFlags.indexOf( 'H' ) )
+            bHidden = true;
+    }
+    rpFilter = pFilter;
+
+    if ( bHidden )
+        nErr = pFilter ? ERRCODE_NONE : ERRCODE_ABORT;
+    return nErr;
+}
+
+std::shared_ptr<const SfxFilter> SfxFilterMatcher::GetFilterForProps( const css::uno::Sequence < beans::NamedValue >& aSeq, SfxFilterFlags nMust, SfxFilterFlags nDont ) const
+{
+    uno::Reference< lang::XMultiServiceFactory > xServiceManager = ::comphelper::getProcessServiceFactory();
+    if( !xServiceManager )
+        return nullptr;
+
+    static constexpr OUStringLiteral sTypeDetection = u"com.sun.star.document.TypeDetection";
+    uno::Reference< container::XContainerQuery > xTypeCFG( xServiceManager->createInstance( sTypeDetection ), uno::UNO_QUERY );
+    if ( !xTypeCFG )
+        return nullptr;
+
+    // make query for all types matching the properties
+    uno::Reference < css::container::XEnumeration > xEnum = xTypeCFG->createSubSetEnumerationByProperties( aSeq );
+    uno::Sequence<beans::PropertyValue> aProps;
+    while ( xEnum->hasMoreElements() )
+    {
+        static constexpr OUStringLiteral sPreferredFilter = u"PreferredFilter";
+        static constexpr OUStringLiteral sName = u"Name";
+
+        xEnum->nextElement() >>= aProps;
+        OUString aValue, aName;
+        for( const auto & rPropVal : aProps)
+        {
+            if (rPropVal.Name == sPreferredFilter)
+                rPropVal.Value >>= aValue;
+            else if (rPropVal.Name == sName)
+                rPropVal.Value >>= aName;
+        }
+
+        // try to get the preferred filter (works without loading all filters!)
+        if ( !aValue.isEmpty() )
+        {
+            std::shared_ptr<const SfxFilter> pFilter = SfxFilter::GetFilterByName( aValue );
+            if ( !pFilter || (pFilter->GetFilterFlags() & nMust) != nMust || (pFilter->GetFilterFlags() & nDont ) )
+                // check for filter flags
+                // pFilter == 0: if preferred filter is a Writer filter, but Writer module is not installed
+                continue;
+
+            if ( !m_rImpl.aName.isEmpty() )
+            {
+                // if this is not the global FilterMatcher: check if filter matches the document type
+                if ( pFilter->GetServiceName() != m_rImpl.aName )
+                {
+                    // preferred filter belongs to another document type; now we must search the filter
+                    m_rImpl.InitForIterating();
+                    pFilter = GetFilter4EA( aName, nMust, nDont );
+                    if ( pFilter )
+                        return pFilter;
+                }
+                else
+                    return pFilter;
+            }
+            else
+                return pFilter;
+        }
+    }
+
+    return nullptr;
+}
+
+std::shared_ptr<const SfxFilter> SfxFilterMatcher::GetFilter4Mime( const OUString& rMediaType, SfxFilterFlags nMust, SfxFilterFlags nDont ) const
+{
+    if ( m_rImpl.pList )
+    {
+        for (const std::shared_ptr<const SfxFilter>& pFilter : *m_rImpl.pList)
+        {
+            SfxFilterFlags nFlags = pFilter->GetFilterFlags();
+            if ( (nFlags & nMust) == nMust && !(nFlags & nDont ) && pFilter->GetMimeType() == rMediaType )
+                return pFilter;
+        }
+
+        return nullptr;
+    }
+
+    css::uno::Sequence < css::beans::NamedValue > aSeq { { "MediaType", css::uno::Any(rMediaType) } };
+    return GetFilterForProps( aSeq, nMust, nDont );
+}
+
+std::shared_ptr<const SfxFilter> SfxFilterMatcher::GetFilter4EA( const OUString& rType, SfxFilterFlags nMust, SfxFilterFlags nDont ) const
+{
+    if ( m_rImpl.pList )
+    {
+        std::shared_ptr<const SfxFilter> pFirst;
+        for (const std::shared_ptr<const SfxFilter>& pFilter : *m_rImpl.pList)
+        {
+            SfxFilterFlags nFlags = pFilter->GetFilterFlags();
+            if ( (nFlags & nMust) == nMust && !(nFlags & nDont ) && pFilter->GetTypeName() == rType )
+            {
+                if (nFlags & SfxFilterFlags::PREFERED)
+                    return pFilter;
+                if (!pFirst)
+                    pFirst = pFilter;
+            }
+        }
+        if (pFirst)
+            return pFirst;
+
+        return nullptr;
+    }
+
+    css::uno::Sequence < css::beans::NamedValue > aSeq { { "Name", css::uno::Any(rType) } };
+    return GetFilterForProps( aSeq, nMust, nDont );
+}
+
+std::shared_ptr<const SfxFilter> SfxFilterMatcher::GetFilter4Extension( const OUString& rExt, SfxFilterFlags nMust, SfxFilterFlags nDont ) const
+{
+    if ( m_rImpl.pList )
+    {
+        if (OUString sExt = ToUpper_Impl(rExt); !sExt.isEmpty())
+        {
+            if (sExt[0] != '.')
+                sExt = "." + sExt;
+
+            for (const std::shared_ptr<const SfxFilter>& pFilter : *m_rImpl.pList)
+            {
+                SfxFilterFlags nFlags = pFilter->GetFilterFlags();
+                if ((nFlags & nMust) == nMust && !(nFlags & nDont))
+                {
+                    OUString sWildCard = ToUpper_Impl(pFilter->GetWildcard().getGlob());
+
+                    WildCard aCheck(sWildCard, ';');
+                    if (aCheck.Matches(sExt))
+                        return pFilter;
+                }
+            }
+        }
+
+        return nullptr;
+    }
+
+    // Use extension without dot!
+    OUString sExt( rExt );
+    if ( sExt.startsWith(".") )
+        sExt = sExt.copy(1);
+
+    css::uno::Sequence < css::beans::NamedValue > aSeq
+        { { "Extensions", css::uno::Any(uno::Sequence < OUString > { sExt } ) } };
+    return GetFilterForProps( aSeq, nMust, nDont );
+}
+
+std::shared_ptr<const SfxFilter> SfxFilterMatcher::GetFilter4ClipBoardId( SotClipboardFormatId nId, SfxFilterFlags nMust, SfxFilterFlags nDont ) const
+{
+    if (nId == SotClipboardFormatId::NONE)
+        return nullptr;
+
+    css::uno::Sequence < css::beans::NamedValue > aSeq
+        { { "ClipboardFormat", css::uno::Any(SotExchange::GetFormatName( nId )) } };
+    return GetFilterForProps( aSeq, nMust, nDont );
+}
+
+std::shared_ptr<const SfxFilter> SfxFilterMatcher::GetFilter4UIName( std::u16string_view rName, SfxFilterFlags nMust, SfxFilterFlags nDont ) const
+{
+    m_rImpl.InitForIterating();
+    std::shared_ptr<const SfxFilter> pFirstFilter;
+    for (const std::shared_ptr<const SfxFilter>& pFilter : *m_rImpl.pList)
+    {
+        SfxFilterFlags nFlags = pFilter->GetFilterFlags();
+        if ( (nFlags & nMust) == nMust &&
+             !(nFlags & nDont ) && pFilter->GetUIName() == rName )
+        {
+            if ( pFilter->GetFilterFlags() & SfxFilterFlags::PREFERED )
+                return pFilter;
+            else if ( !pFirstFilter )
+                pFirstFilter = pFilter;
+        }
+    }
+    return pFirstFilter;
+}
+
+std::shared_ptr<const SfxFilter> SfxFilterMatcher::GetFilter4FilterName( const OUString& rName, SfxFilterFlags nMust, SfxFilterFlags nDont ) const
+{
+    std::u16string_view aName( rName );
+    sal_Int32 nIndex = rName.indexOf(": ");
+    if (  nIndex != -1 )
+    {
+        SAL_WARN( "sfx.bastyp", "Old filter name used!");
+        aName = rName.subView( nIndex + 2 );
+    }
+
+    if ( bFirstRead )
+    {
+        uno::Reference< lang::XMultiServiceFactory > xServiceManager = ::comphelper::getProcessServiceFactory();
+        uno::Reference< container::XNameAccess >     xFilterCFG                                                ;
+        uno::Reference< container::XNameAccess >     xTypeCFG                                                  ;
+        if( xServiceManager.is() )
+        {
+            static constexpr OUStringLiteral sFilterFactory = u"com.sun.star.document.FilterFactory";
+            static constexpr OUStringLiteral sTypeDetection = u"com.sun.star.document.TypeDetection";
+            xFilterCFG.set( xServiceManager->createInstance(  sFilterFactory ), uno::UNO_QUERY );
+            xTypeCFG.set( xServiceManager->createInstance(  sTypeDetection ), uno::UNO_QUERY );
+        }
+
+        if( xFilterCFG.is() && xTypeCFG.is() )
+        {
+            if ( !pFilterArr )
+                CreateFilterArr();
+            else
+            {
+                for (const std::shared_ptr<const SfxFilter>& pFilter : *pFilterArr)
+                {
+                    SfxFilterFlags nFlags = pFilter->GetFilterFlags();
+                    if ((nFlags & nMust) == nMust && !(nFlags & nDont) && pFilter->GetFilterName().equalsIgnoreAsciiCase(aName))
+                        return pFilter;
+                }
+            }
+
+            SfxFilterContainer::ReadSingleFilter_Impl( rName, xTypeCFG, xFilterCFG, false );
+        }
+    }
+
+    SfxFilterList_Impl* pList = m_rImpl.pList;
+    if ( !pList )
+        pList = pFilterArr;
+
+    for (const std::shared_ptr<const SfxFilter>& pFilter : *pList)
+    {
+        SfxFilterFlags nFlags = pFilter->GetFilterFlags();
+        if ( (nFlags & nMust) == nMust && !(nFlags & nDont ) && pFilter->GetFilterName().equalsIgnoreAsciiCase(aName))
+            return pFilter;
+    }
+
+    return nullptr;
+}
+
+IMPL_LINK( SfxFilterMatcher, MaybeFileHdl_Impl, OUString*, pString, bool )
+{
+    std::shared_ptr<const SfxFilter> pFilter = GetFilter4Extension( *pString );
+    return pFilter &&
+        !pFilter->GetWildcard().Matches(u"") &&
+        !pFilter->GetWildcard().Matches(u"*.*") &&
+        !pFilter->GetWildcard().Matches(u"*");
+}
+
+
+SfxFilterMatcherIter::SfxFilterMatcherIter(
+    const SfxFilterMatcher& rMatcher,
+    SfxFilterFlags nOrMaskP, SfxFilterFlags nAndMaskP )
+    : nOrMask( nOrMaskP ), nAndMask( nAndMaskP ),
+      nCurrent(0), m_rMatch(rMatcher.m_rImpl)
+{
+    if( nOrMask == static_cast<SfxFilterFlags>(0xffff) ) //Due to faulty build on s
+        nOrMask = SfxFilterFlags::NONE;
+    m_rMatch.InitForIterating();
+}
+
+
+std::shared_ptr<const SfxFilter> SfxFilterMatcherIter::Find_Impl()
+{
+    std::shared_ptr<const SfxFilter> pFilter;
+    while( nCurrent < m_rMatch.pList->size() )
+    {
+        pFilter = (*m_rMatch.pList)[nCurrent++];
+        SfxFilterFlags nFlags = pFilter->GetFilterFlags();
+        if( ((nFlags & nOrMask) == nOrMask ) && !(nFlags & nAndMask ) )
+            break;
+        pFilter = nullptr;
+    }
+
+    return pFilter;
+}
+
+std::shared_ptr<const SfxFilter> SfxFilterMatcherIter::First()
+{
+    nCurrent = 0;
+    return Find_Impl();
+}
+
+
+std::shared_ptr<const SfxFilter> SfxFilterMatcherIter::Next()
+{
+    return Find_Impl();
+}
+
+/*---------------------------------------------------------------
+    helper to build own formatted string from given stringlist by
+    using given separator
+  ---------------------------------------------------------------*/
+static OUString implc_convertStringlistToString( const uno::Sequence< OUString >& lList     ,
+                                                 sal_Unicode                                        cSeparator,
+                                                 std::u16string_view                                sPrefix   )
+{
+    OUStringBuffer   sString ( 1000 )           ;
+    sal_Int32               nCount  = lList.getLength();
+    sal_Int32               nItem   = 0                ;
+    for( nItem=0; nItem<nCount; ++nItem )
+    {
+        if( !sPrefix.empty() )
+        {
+            sString.append( sPrefix );
+        }
+        sString.append( lList[nItem] );
+        if( nItem+1<nCount )
+        {
+            sString.append( cSeparator );
+        }
+    }
+    return sString.makeStringAndClear();
+}
+
+
+void SfxFilterContainer::ReadSingleFilter_Impl(
+    const OUString& rName,
+    const uno::Reference< container::XNameAccess >& xTypeCFG,
+    const uno::Reference< container::XNameAccess >& xFilterCFG,
+    bool bUpdate
+    )
+{
+    OUString sFilterName( rName );
+    SfxFilterList_Impl& rList = *pFilterArr;
+    uno::Sequence< beans::PropertyValue > lFilterProperties;
+    uno::Any aResult;
+    try
+    {
+        aResult = xFilterCFG->getByName( sFilterName );
+    }
+    catch( container::NoSuchElementException& )
+    {
+        aResult = uno::Any();
+    }
+
+    if( !(aResult >>= lFilterProperties) )
+        return;
+
+    // collect information to add filter to container
+    // (attention: some information aren't available on filter directly ... you must search for corresponding type too!)
+    SfxFilterFlags       nFlags          = SfxFilterFlags::NONE;
+    SotClipboardFormatId nClipboardId    = SotClipboardFormatId::NONE;
+    sal_Int32       nFormatVersion  = 0 ;
+    OUString sMimeType           ;
+    OUString sType               ;
+    OUString sUIName             ;
+    OUString sHumanName          ;
+    OUString sDefaultTemplate    ;
+    OUString sUserData           ;
+    OUString sExtension          ;
+    OUString sServiceName        ;
+    bool bEnabled = true         ;
+
+    // first get directly available properties
+    for( const auto& rFilterProperty : std::as_const(lFilterProperties) )
+    {
+        if ( rFilterProperty.Name == "FileFormatVersion" )
+        {
+            rFilterProperty.Value >>= nFormatVersion;
+        }
+        else if ( rFilterProperty.Name == "TemplateName" )
+        {
+            rFilterProperty.Value >>= sDefaultTemplate;
+        }
+        else if ( rFilterProperty.Name == "Flags" )
+        {
+            sal_Int32 nTmp(0);
+            rFilterProperty.Value >>= nTmp;
+            assert((nTmp & ~o3tl::typed_flags<SfxFilterFlags>::mask) == 0);
+            nFlags = static_cast<SfxFilterFlags>(nTmp);
+        }
+        else if ( rFilterProperty.Name == "UIName" )
+        {
+            rFilterProperty.Value >>= sUIName;
+        }
+        else if ( rFilterProperty.Name == "UserData" )
+        {
+            uno::Sequence< OUString > lUserData;
+            rFilterProperty.Value >>= lUserData;
+            sUserData = implc_convertStringlistToString( lUserData, ',', u"" );
+        }
+        else if ( rFilterProperty.Name == "DocumentService" )
+        {
+            rFilterProperty.Value >>= sServiceName;
+        }
+        else if (rFilterProperty.Name == "ExportExtension")
+        {
+            // Extension preferred by the filter.  This takes precedence
+            // over those that are given in the file format type.
+            rFilterProperty.Value >>= sExtension;
+            sExtension = "*." + sExtension;
+        }
+        else if ( rFilterProperty.Name == "Type" )
+        {
+            rFilterProperty.Value >>= sType;
+            // Try to get filter .. but look for any exceptions!
+            // May be filter was deleted by another thread ...
+            try
+            {
+                aResult = xTypeCFG->getByName( sType );
+            }
+            catch (const container::NoSuchElementException&)
+            {
+                aResult = uno::Any();
+            }
+
+            uno::Sequence< beans::PropertyValue > lTypeProperties;
+            if( aResult >>= lTypeProperties )
+            {
+                // get indirect available properties then (types)
+                for( const auto& rTypeProperty : std::as_const(lTypeProperties) )
+                {
+                    if ( rTypeProperty.Name == "ClipboardFormat" )
+                    {
+                        rTypeProperty.Value >>= sHumanName;
+                    }
+                    else if ( rTypeProperty.Name == "MediaType" )
+                    {
+                        rTypeProperty.Value >>= sMimeType;
+                    }
+                    else if ( rTypeProperty.Name == "Extensions" )
+                    {
+                        if (sExtension.isEmpty())
+                        {
+                            uno::Sequence< OUString > lExtensions;
+                            rTypeProperty.Value >>= lExtensions;
+                            sExtension = implc_convertStringlistToString( lExtensions, ';', u"*." );
+                        }
+                    }
+                }
+            }
+        }
+        else if ( rFilterProperty.Name == "Enabled" )
+        {
+            rFilterProperty.Value >>= bEnabled;
+        }
+
+    }
+
+    if ( sServiceName.isEmpty() )
+        return;
+
+    // old formats are found ... using HumanPresentableName!
+    if( !sHumanName.isEmpty() )
+    {
+        nClipboardId = SotExchange::RegisterFormatName( sHumanName );
+
+        // For external filters ignore clipboard IDs
+        if(nFlags & SfxFilterFlags::STARONEFILTER)
+        {
+            nClipboardId = SotClipboardFormatId::NONE;
+        }
+    }
+    // register SfxFilter
+    // first erase module name from old filter names!
+    // e.g: "scalc: DIF" => "DIF"
+    sal_Int32 nStartRealName = sFilterName.indexOf( ": " );
+    if( nStartRealName != -1 )
+    {
+        SAL_WARN( "sfx.bastyp", "Old format, not supported!");
+        sFilterName = sFilterName.copy( nStartRealName+2 );
+    }
+
+    std::shared_ptr<const SfxFilter> pFilter = bUpdate ? SfxFilter::GetFilterByName( sFilterName ) : nullptr;
+    if (!pFilter)
+    {
+        pFilter = std::make_shared<SfxFilter>( sFilterName             ,
+                                 sExtension              ,
+                                 nFlags                  ,
+                                 nClipboardId            ,
+                                 sType                   ,
+                                 sMimeType               ,
+                                 sUserData               ,
+                                 sServiceName            ,
+                                 bEnabled );
+        rList.push_back( pFilter );
+    }
+    else
+    {
+        SfxFilter* pFilt = const_cast<SfxFilter*>(pFilter.get());
+        pFilt->maFilterName  = sFilterName;
+        pFilt->aWildCard    = WildCard(sExtension, ';');
+        pFilt->nFormatType  = nFlags;
+        pFilt->lFormat      = nClipboardId;
+        pFilt->aTypeName    = sType;
+        pFilt->aMimeType    = sMimeType;
+        pFilt->aUserData    = sUserData;
+        pFilt->aServiceName = sServiceName;
+        pFilt->mbEnabled    = bEnabled;
+    }
+
+    SfxFilter* pFilt = const_cast<SfxFilter*>(pFilter.get());
+
+    // Don't forget to set right UIName!
+    // Otherwise internal name is used as fallback ...
+    pFilt->SetUIName( sUIName );
+    pFilt->SetDefaultTemplate( sDefaultTemplate );
+    if( nFormatVersion )
+    {
+        pFilt->SetVersion( nFormatVersion );
+    }
+}
+
+void SfxFilterContainer::ReadFilters_Impl( bool bUpdate )
+{
+    if ( !pFilterArr )
+        CreateFilterArr();
+
+    bFirstRead = false;
+    SfxFilterList_Impl& rList = *pFilterArr;
+
+    try
+    {
+        // get the FilterFactory service to access the registered filters ... and types!
+        uno::Reference< lang::XMultiServiceFactory > xServiceManager = ::comphelper::getProcessServiceFactory();
+        uno::Reference< container::XNameAccess >     xFilterCFG                                                ;
+        uno::Reference< container::XNameAccess >     xTypeCFG                                                  ;
+        if( xServiceManager.is() )
+        {
+            xFilterCFG.set( xServiceManager->createInstance(  "com.sun.star.document.FilterFactory" ), uno::UNO_QUERY );
+            xTypeCFG.set( xServiceManager->createInstance(  "com.sun.star.document.TypeDetection" ), uno::UNO_QUERY );
+        }
+
+        if( xFilterCFG.is() && xTypeCFG.is() )
+        {
+            // select right query to get right set of filters for search module
+            const uno::Sequence< OUString > lFilterNames = xFilterCFG->getElementNames();
+            if ( lFilterNames.hasElements() )
+            {
+                // If list of filters already exist ...
+                // ReadExternalFilters must work in update mode.
+                // Best way seems to mark all filters NOT_INSTALLED
+                // and change it back for all valid filters afterwards.
+                if( !rList.empty() )
+                {
+                    bUpdate = true;
+                    for (const std::shared_ptr<const SfxFilter>& pFilter : rList)
+                    {
+                        SfxFilter* pNonConstFilter = const_cast<SfxFilter*>(pFilter.get());
+                        pNonConstFilter->nFormatType |= SFX_FILTER_NOTINSTALLED;
+                    }
+                }
+
+                // get all properties of filters ... put it into the filter container
+                for( const OUString& sFilterName : lFilterNames )
+                {
+                    // Try to get filter .. but look for any exceptions!
+                    // May be filter was deleted by another thread ...
+                    ReadSingleFilter_Impl( sFilterName, xTypeCFG, xFilterCFG, bUpdate );
+                }
+            }
+        }
+    }
+    catch(const uno::Exception&)
+    {
+        SAL_WARN( "sfx.bastyp", "SfxFilterContainer::ReadFilter()\nException detected. Possible not all filters could be cached." );
+    }
+
+    if ( bUpdate )
+    {
+        // global filter array was modified, factory specific ones might need an
+        // update too
+        for (const auto& aImpl : aImplArr)
+            aImpl->Update();
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */